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Gutters · St. Leo

Gutters in St. Leo, FL

St. Leo has a median home build year of 1983, and its older roofs face a 5-minute downpour in a 10-year storm that falls at 9.42 inches an hour. That is a hard burst for any roof to shed. Gutters and downspouts sized for a lighter rain can overflow quickly, so their size and number matter on a St. Leo lot.

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Updated October 2026

Green lawn, tall pine and oak trees, and a sign reading Holy Name Monastery under blue sky with clouds.
Drone view of a single-story home with a brown-gray shingle roof and box vents under large oak trees, a metal carport roof in the corner and a street behind.Our work
Photo: Holy Name Monastery by LittleT889, CC BY-SA 4.0, cropped

Local rainfall

Why St. Leo rain tests gutters harder than most towns

Short bursts matter more than yearly totals for gutters. In a 1-hour rain of a 10-year storm, St. Leo gets 2.89 inches an hour. Over 24 hours, a 10-year storm drops 7.01 inches. A gutter has to move water through in minutes, not hours.

Close-up of a fine stainless micro-mesh gutter guard over a white gutter at a shingle roof edge, with oak leaves, catkins and raindrops resting on top (illustration)Illustration

Illustration: micro mesh guard

Pasco County's own record shows the stakes. Hurricane Hermine in 2016 dropped more than 10 inches of rain across parts of Pasco and neighboring counties, and flooding damaged or destroyed homes there. Water that cannot leave a roof fast ends up at the foundation.

Sizing rules

How to size St. Leo gutters and downspouts

Florida's plumbing code ties horizontal gutter size to the water arriving off the roof. On St. Leo's 1983-era roofs, a 6-inch half-round gutter at 1/8 inch per foot carries 110 gallons a minute, while a 5-inch one carries 74. The larger size gives about 49 percent more capacity.

  • Check the downspout as well as the gutter. A 2 by 3 inch downspout carries 30 gallons a minute, below what many gutters can deliver.
  • Add half the area of any vertical wall that drains onto the roof when you size the system.
  • Ask for the design basis used in the sizing. Sizing on the 100-year, 1-hour rate gives far more room than sizing on the short 5-minute burst.

Code and discharge

Where St. Leo downspout water should end up

Many St. Leo homes are older, with a median build year of 1983 in the census estimate, so original downspouts may end at the foundation. Check each one. Warranties typically require positive drainage, and damage from its absence is often excluded.

Rain on your roof

Preset: 7.01 inches, the 10-year 24-hour rain (NOAA Atlas 14 at St. Leo).

8,734 gallons run off that roof, all of it toward the gutters and downspouts.

Math: square feet × inches × 0.623 gallons.

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Questions

Gutters in St. Leo: questions

How much rain should my gutters handle in St. Leo?

St. Leo's NOAA Atlas 14 numbers set the design target. A 5-minute downpour in a 10-year storm falls at 9.42 inches an hour, and a 100-year storm falls at 12.6 inches an hour. Ask any installer which rate their sizing used. A system sized on the short burst handles the worst minutes far better than one sized on a gentler rate.

Source: NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the St. Leo 2020 Census internal point (28.3358, -82.2593), read Oct 5, 2026

Related: Gutters

Do gutters have to be on every house in St. Leo?

Florida's residential code requires gutters with downspouts on buildings with eaves projecting less than 6 inches, with exceptions for gable end rakes and roofs above another roof. Many of St. Leo's 50 housing units, which the census puts at a median build year of 1983, fall under that rule. Confirm the current requirement with the Pasco County building office before you plan a job.

Source: 2023 Florida Building Code, Residential, 8th ed., Chapter 3 (UpCodes viewer, unofficial transcription), read Oct 5, 2026

Related: Gutters

How often should I clean gutters near oak trees in St. Leo?

Southern live oaks drop litter that becomes a problem for gutters, and their fruit and leaves are heavy in the spring. In St. Leo, where 2.89 inches an hour is the 10-year, 1-hour rate, a clogged gutter quickly overflows. Schedule a cleaning after the spring oak leaf drop and before the June to September storm season, and more often under a heavy canopy.

Source: NOAA Atlas 14 Volume 9 version 2, partial-duration intensity estimates at the St. Leo 2020 Census internal point (28.3358, -82.2593), read Oct 5, 2026

Related: Gutters

Can I check my own gutters for roof damage in St. Leo?

Yes, a simple look helps. Gutters full of granules can signal a shingle roof that is losing its protective layer. St. Leo's housing stock is largely older, with 38 percent of units built before 1980, so this check matters here. The shingle maker lists uneven or curled shingles, bald spots and dark streaks as signs a roof is past its prime. If you see these, call a roofer for a full inspection and confirm any repair plan with the building office.

Source: U.S. Census Bureau, American Community Survey 2024 5-year estimates (2020-2024), table B25034, B01001, via Census Reporter API (release acs2024_5yr), read Oct 5, 2026

Related: Gutters

Nearby

Gutters near St. Leo

Sources for this page(40)
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Gutters in St. Leo

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